Log Message:-----------Workaround for RelFileNodeBackend in 9.1.
Modified Files:-------------- pgbulkload/lib: pg_btree.c (r1.19 -> r1.20) (http://cvs.pgfoundry.org/cgi-bin/cvsweb.cgi/pgbulkload/pgbulkload/lib/pg_btree.c?r1=1.19&r2=1.20) writer_direct.c (r1.10 -> r1.11) (http://cvs.pgfoundry.org/cgi-bin/cvsweb.cgi/pgbulkload/pgbulkload/lib/writer_direct.c?r1=1.10&r2=1.11)